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1·They might sponsor entry by new suppliers in the EU to avoid a customs barrier.

它们可能会为新供应商进入欧盟提供赞助以避免关税壁垒。

2·I have purchased the goods on the Australian side of the Customs barrier and I will NOT take possession of the goods until I have passed through the Customs barrier.

我已有在澳大利亚有海关关卡的一侧购买了物品，我不在没有通过海关关卡之前提取货物。

3·He further confirmed that any requirements for obtaining trading rights would be for customs and fiscal purposes only and would not constitute a barrier to trade.

他进一步确认，获得贸易权的任何要求仅为海关和财政目的，将不构成贸易壁垒。